#!/usr/bin/env python3

if __name__ != "__main__":
    print('i am not main')
    exit()



class SSHH():
    def __init__(self):
        self.servers = ['aa','bb','ccc']
    def list(self):
        for item in self.servers:
            print(item)


sshh = SSHH()
sshh.list()